docs: def has_active_condition(self, conditions, instances):
          """
          Given a list of instances, and the conditions active for
          this switch, returns a boolean reprsenting if any
          conditional is met, including a non-instance default.
          """
          return_value = None
          for instance in itertools.chain(instances, [None]):
              if not self.can_execute(instance):
                  continue
              result = self.is_active(instance, conditions)
              if result is False:
                  return False
              elif result is True:
                  return_value = True
          return return_value